<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery.js"></script>
    <link rel="stylesheet" href="4.css" />
    <meta name="viewport" content="width=device-width" />

</head>
<body>
  <div class="box">
    <div class="bg">
      <form>
          <input placeholder="手机号" id="phone" name="phone" />
          <span id="phoneerror"></span>
          <br><br>
          <input placeholder="密码" id="pwd" name="pwd" type="password"/>
          <span id="pwderror"></span>
          <div class="loginBtn loginBtn_active" id="loginBtn">登陆</div>
          <a href="4注册.html">没有账号，立即注册</a>
      </form>
    </div>
  </div>

  <script src="login.js"></script>

</body>
</html>